Marvel Zombies is an animated television miniseries based on the Marvel Comics series of the same name. The series is set in the alternate timeline introduced in the "What If... Zombies?!" episode of the animated series What If...? (2021) The series features an ensemble cast including Awkwafina, David Harbour, Simu Liu, Elizabeth Olsen, Randall Park, Florence Pugh, Hailee Steinfeld, Dominique Thorne, and Iman Vellani. It is Marvel Studios Animation's first series to be rated TV-MA.
Continuing from the events of the What If...? episode "What If... Zombies?!", a group of survivors must fight former heroes and villains who are now zombies.